| Business | Phone |
| Billings Finance Dept 210 N 27th St, Billings 59101 | (406) 657-8364 |
| Finance Dept Director 210 N 27th St, Billings 59101 | (406) 657-8207 |
| Finance Dept-Accounts Payable 210 N 27th St, Billings 59101 | (406) 657-8224 |
| Finance Dept-City Tax Info 210 N 27th St, Billings 59101 | (406) 657-8223 |
| Finance Dept-Municipal Bonds 210 N 27th St, Billings 59101 | (406) 657-8363 |